Township of Eagleswood, NJ Article VIII Construction Specifications

§ 285-33 General specifications.

Unless otherwise specified by the Township, all work shall be performed in accordance with the New Jersey State Highway Department Standard Specifications for Road and Bridge Construction, 1961, or later revision (hereinafter referred to as "state specifications"). These specifications shall govern the installation and construction of improvements in all subdivisions, the final plats of which have not received approval prior to the effective date of this chapter, and to all construction work hereafter performed on previously approved final plats.

§ 285-34 Supplementary state specifications.

A. General provisions (Division 1).

(1) Definitions (Article 1.1.3). Through the context of these specifications and the state specifications, the following terms shall have the meanings indicated:

CONTRACTOR

The subdivider or applicant who is obligated to complete the required improvements and any subcontractors or others in his employ.

ENGINEER AND INSPECTOR

The Township Engineer or his authorized representative.

(2) Plans and specifications (Article 1.2.3). All work performed shall be in accordance with the engineering drawings which have been approved by the Township Engineer and final appropriate standard details and in accordance with these standard supplementary specifications and the state standard specifications and also in accordance with any special conditions which may have been imposed as a condition of approval. When a discrepancy arises between the plans and specifications or between these supplementary specifications and the state specifications, it shall be referred to the Township Engineer, whose interpretation shall be final.

(3) Subsurface conditions (Article 1.2.12). Approval of the final engineering drawings shall not relieve the developer of any responsibility to construct the required improvements on suitable subgrade. If during the course of construction unsatisfactory subsurface conditions are discovered, the Township Engineer shall examine the situation and advise the developer in writing of the necessary corrective measures.

(4) Maintenance and protection of traffic (Article 1.4.3).

(a) Vehicular and pedestrian traffic shall be maintained over all existing streets and highways within or adjacent to the proposed subdivision. All roadways which are to be utilized for vehicular traffic shall be maintained free from obstructions and in a smooth riding condition at all times.

(b) Except as necessary during actual working hours, the contractor shall not occupy with his equipment, materials or personnel any roadway or sidewalk area within or adjacent to the subdivision that is open to traffic.

(c) No equipment or machinery having caterpillar or other heavy treads that mar or damage pavements shall be permitted to move over or operate from newly completed or existing pavements, unless such equipment or machinery is moved on suitable pontoons or trailers.

(d) The contractor shall erect or place and maintain in good condition barricades, lights, flares, yellow electric flasher units, traffic cones and other warning signals and devices appropriate for the specific need at working sites, open excavations, locations of obstructions and other locations where there is danger to vehicular or pedestrian traffic. All such devices and installations shall be subject to the approval of the Engineer.

(5) Final cleaning up (Article 1.4.4). Before final acceptance of any improvements, the contractor shall remove from the site all temporary work, unused or useless material, rubbish and debris; shall repair or replace any public or private property which may have been damaged by his operations; shall fill all depressions and water pockets; shall remove any and all obstructions from waterways; shall clean all drains and drainage structures of any silt and other debris; shall sweep all streets; and shall leave the site and adjacent public and private property in a neat and presentable condition wherever his operations have disturbed conditions existing at the time of starting work.

(6) Acceptance of work (Article 1.5.8). Upon completion of all required work, the subdivider shall make application to the Township for municipal acceptance of all improvements which are to be maintained by the Township. Application shall be made in the manner designated by the Township. Upon receipt of request for acceptance, the Engineer and other inspectors designated by the Township shall make a final inspection of all improvements. If any improvements are incomplete or unacceptable, the Engineer shall notify the subdivider in writing of the missing or unacceptable portions of the work. The subdivider shall then make all necessary repairs. Prior to formal acceptance, the subdivider shall have posted all required maintenance guaranties.

(7) Change of plans (Article 1.8.4). If the subdivider wishes to make any changes in the work from that shown on the approved plans, he shall submit a request to do so in writing, with all supporting documents or drawings, to the Engineer. If in the opinion of the Engineer the change requested is within his authority to grant and he deems it advisable, he shall so notify the subdivider. If the change requested is not within the authority of the Engineer to grant, he shall then notify the subdivider of the approvals which must be obtained.

B. Earthwork (Division 2).

(1) Embankment (Section 3).

(a) Materials (Article 2.3.2). Embankment material shall be equal to soil aggregate Type 4, Class D, conforming to the requirements specified in Division 8, Section 8, of the state specifications.

(b) Methods of construction.

[1] Dry fill method. The embankment shall be compacted by the rolling or vibrating method or by the density control method, as specified by the Engineer, and more fully described in Article 2.3.3 of the state specifications.

[2] Where the conditions are such that access with compacting equipment specified above is not possible, the embankment shall be placed in six-inch layers and shall be compacted to a density of not less than 95%.

[3] Water shall be applied to the loose layers of embankment when directed by the Engineer. The construction of embankment shall not proceed when its moisture content exceeds the optimum by more than 2%, as determined in the test for compaction specified by ASTM Designation D698.

(2) Backfill of wet excavation areas.

(a) Wet excavation shall be performed as specified in Article 2.2.3 of the state specifications.

(b) The contractor shall test the bottom of the excavation longitudinally and transversely at sufficient points to make sure that all muck and other unstable materials have been removed.

(c) The formation of the embankment shall proceed in the form of a wedge of 60°, with its axis following the center line of the roadway. The manner of filling and advancing the wedge shall be such as to force all remaining muck and silt laterally to the sides of the excavation and not entrap it under the fill. All accumulations of muck and other unstable material at the sides of the excavated area shall be removed as the embankment wedge advances. If any muck or silt is spilled or otherwise deposited on the top or sides of the embankment during this operation, it shall be entirely removed by the contractor.

(d) If muck, silt, mud or clay is entrapped within or under the embankment or between any new and existing embankment, and the quantity and location or distribution thereof is such as to cause visible unstable areas in the embankment or to be detrimental to the stability of the embankment or of the proposed or future roadway or structures, in the opinion of the Engineer, the entrapped muck, mud, silt or clay and the overlying material shall be removed, and all such excavated areas shall be backfilled with satisfactory material.

C. Pavements (Division 3).

(1) Gravel base course (Section 1).

(a) Materials (Article 3.1.2). The material shall be soil aggregate Type 2, Class A, conforming to the requirements specified in Division 8, Section 8, of the state specifications.

(b) Methods of construction (Article 3.1.3). The gravel shall be placed in layers not exceeding eight inches in thickness and shaped with road scrapers so that, when compacted and finished, it will be of the required thickness and at the required grade and crown. The gravel shall be compacted as specified in Article 2.3.3 of the state specifications, dry fill method, except that alternative (4), with a minimum of five passes of a sixty-ton compactor loaded to a gross weight of 25 tons, or alternative (5) shall be used. Inaccessible areas shall be compacted to a density of not less than 95%.

(2) Bituminous stabilized base course. (Section 2A).

(a) Materials (Article 3.2A.2). All material for bituminous stabilized base course shall be in accordance with the provisions listed herein and in accordance with all applicable remaining provisions of this article of the state specifications, including amendments contained in Addenda A to the 1961 Standard Specifications (hereinafter referred to as "Addenda A") and amendments contained in the Reference and Instructional Guide for Use in Preparation of Supplementary Specifications, March 1967, with current amendments thereto.

(3) Bituminous concrete surface course, hot-mixed (Section 10).

(a) Materials (Article 3.10.2). All materials shall conform to the requirements listed hereinafter and with those amendments listed under Article 3.2A.2 of the state specifications.

(b) FABC top course shall be Mix No. 5 and bottom course shall be Mix No. 2.

D. Road structures (Division 5).

(1) Storm drains (Section 2).

(a) Materials (Article 5.2.2). Pipe shall be of a type listed herein as shown on the approved plans. No substitutions shall be permitted from that shown on the approved plan without the written approval of the Engineer.

(2) Manholes, inlets and catch basins (Section 3).

(a) Methods of construction (Article 5.3.3). The concrete block and brick shall be laid with broken joints. All horizontal joints, all vertical joints of brick and all keyways of vertical joints of concrete block shall be filled with one-to-two cement-sand mortar. All horizontal joints, and in brick, all vertical joints, shall be not more than 3/8 inch wide. The outside wall shall be plastered with a minimum of 1/2 inch thickness of one-to-two cement-sand mortar, troweled to a smooth finish. Precast manhole installation is acceptable.

(b) Curb inlet castings shall be permanently set to final grade after adjacent curb back forms have been set to grade and before placement of concrete for adjacent curb.

(3) Curbs and headers (Section 5).

(a) Description (Article 5.5.1). Unless required otherwise by the governmental agency having jurisdiction, all curbing shall be six inches wide at the top, eight inches wide at the bottom and 18 inches deep. The reveal shall be six inches except at driveways, where a maximum two-inch reveal shall be used. The top corners of the curb shall be rounded with a one-inch radius.

(b) Materials (Article 5.5.2). Concrete for curbs shall be air-entrained Class B as specified in Article 4.1.2 of the state specifications, except as modified herein. Ultimate strength, when tested by standard methods, shall be not less than 4,000 pounds per square inch. The maximum water-cement ratio shall be 5.5 gallons per sack.

(c) Methods of construction (Article 5.5.3).

[1] No concrete shall be poured between December 1 and March 1 of each year without the prior express written permission of the Engineer. Where such written permission is obtained, the Engineer shall specify the appropriate procedures to be followed from the state specifications, whose requirements shall also apply from March to November in cold weather conditions.

[2] True joints shall be placed on curb at ten-foot intervals. Backfilling for curbs shall be made within 72 hours after construction.

[3] Where the curb is to be constructed along lines having a radius of 250 feet or less, securely anchored curved forms shall be used. Multiple ten-foot-long tangent straight forms will be permitted for curved curb where the radius exceeds 250 feet, provided that the ends of the tangents are finished to prevent the appearance of sharp angles. At street intersections, the curb corners shall have a minimum radius of 20 feet.

(4) Headwalls and culverts (Section 12).

(a) Description (Article 5.12.1). Unless specifically permitted otherwise by the Engineer, all discharge pipes shall terminate with an end section of the type permitted in the design specifications.

(5) Monuments (Section 13).

(a) Materials (Article 5.13.4). Monuments shall be Class A concrete as specified in Article 4.1.2 of the state specifications and shall be six inches square at the top and bottom and at least 30 inches long. Monuments shall be set firmly in the ground so as to be visible at all times.

E. Landscaping (Division 7).

(1) General. All unpaved areas within the subdivision and all unpaved areas within the street rights-of-way shall be topsoiled, fertilized and seeded to provide a stabilized ground surface and prevent soil erosion. In difficult areas, all measures shall be taken to ensure the establishment of a satisfactory ground cover and shall include, but not be limited to, sodding, slope boards, jute matting and hay mulching. All work performed and all materials furnished shall be in accordance with the applicable provisions of Division 7 of the state specifications.

(2) Planting (Section 10).

(a) Description (Article 7.10.1). Shade trees shall be planted along both sides of every street within the subdivision and along the abutting side of each street adjacent to the subdivision. Trees shall be planted off the street right-of-way in a five-foot strip adjacent to the street right-of-way and shall be at a maximum spacing of 50 feet.

(b) Materials (Article 7.10.2). Shade trees shall be nursery-grown and shall be a minimum of two inches DBH, and any one of the following types, dependent upon location of the subdivision:

[1] In areas adjacent to rivers, bays and lagoons, one of the following suggested kinds of trees shall be planted:

[a] Honey locust (Gleditsia triacanthos inermis).

[b] Oriental plane (Platanus orientalis).

[c] Willow (Salix babylonica).

[d] Canoe birch (Betula papyrifera).

[e] European white birch (Betula alba pendula).

[f] Japanese cherry (Prunus quanzan).

[g] Hawthorn (Crataegus).

[2] In the upland, which is away from rivers, bays and lagoons and not adjacent to large bodies of water, one of the following suggested kinds of trees shall be planted:

[a] Pin oak (Quercus palustris).

[b] Norway maple (Acer platanoides).

[c] Honey locust (Gleditsia triacanthos inermis).

[d] Crab apple (Malus).

[e] Mountain ash (Sorbus aucuparia, European).

[f] Dogwood (Cornus florida, white and florida rubra, pink).

[g] White birch, European (Betula alba pendula).

§ 285-35 Standard specifications.

A. Street signs.

(1) Materials.

(a) There shall be one sign assembly mounted at each intersection and each street shall be clearly marked.

(b) Unless approval for other types is given by the Engineer, each sign unit shall consist of four sign plates with theftproof fixtures and hardware for assembling and mounting on a steel post.

(c) The background for the sign shall be green with white letters and shall be of similar design and construction as presently utilized by the Township. Posts shall be two-inch inside diameter galvanized steel, 10 feet six inches in length, embedded in a twelve-inch circular concrete anchor three feet deep along each post. There shall be a 1/2 inch hole drilled six inches from the bottom of each post to accommodate a one-half-by-nine-inch anchor rod which shall be furnished with each post.

B. Sanitary sewers. All sanitary sewerage facilities shall be constructed in accordance with all current regulations, as applicable, of the Eagleswood Board of Health, the Eagleswood Municipal Utilities Authority, the New Jersey Department of Health and the appropriate provisions of these specifications and the state specifications.

C. Water supply facilities. All water supply facilities shall be constructed in accordance with all current regulations, as applicable, of the Eagleswood Board of Health, the New Jersey Water Policy and Supply Council, the franchised water company and the appropriate provisions of these specifications and the state specifications.

D. Traffic control signs and devices. All traffic control signs and devices shall be in accordance with the Manual on Uniform Traffic Control Devices for Streets and Highways, adopted by the United States Department of Transportation, dated 1971.